Patch

--- a/arch/powerpc/Kconfig+++ b/arch/powerpc/Kconfig@@ -313,7 +313,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
- depends on BOOK3S && EXPERIMENTAL+ depends on PPC_BOOK3S && EXPERIMENTAL
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot